*{
    margin: 0;
    padding: 0;
}
body{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background:linear-gradient(200deg,#e3c5eb,#a9c1ed);
    overflow: hidden;
}
.container{
  position: relative;
  z-index: 1;
  background-color: #fff;
  border-radius: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 350px;
  height: 500px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 1);
}
.container .tit{
    font-size: 26px;
    height: 30px;
    text-indent: 8px;
    border: none;
    border-bottom: 1px solid #ddd;
    margin: 12px auto;
}
.container button{
   width: 280px;
   height: 40px;
   margin: 35px auto 40px auto;
   border:  none;
   background-color: linear-gradient(-200deg,#fac0e7,#aac2ee);
   color: #fff;
   font-weight: bold;
   letter-spacing: 8px;
   border-radius: 10px;
   cursor: pointer;
}
.container button:hover{
    background: linear-gradient(-200deg,#aac2ee,#fac0e7);
    background-position: -280px;
}
.container a{
    color: plum;
    text-decoration: none;
}
ul li{
    position: absolute;
    border: 1px solid #fff;
    background-color: #fff;
    width: 30px;
    height: 30px;
    list-style: none;
}
.square li{
    top: 40vh;
    left: 60vw;
    animation: square 10s linear infinite;
    opacity: 0;
}
.square li:nth-child(2){
    top:50vh;
    left: 10vw;;
    animation-delay: 2s;
}
.square li:nth-child(3){
    top:80vh;
    left: 80vw;;
    animation-delay: 4s;
}
.square li:nth-child(4){
    top:10vh;
    left: 70vw;
    animation-delay: 6s;
}
.square li:nth-child(5){
    top:10vh;
    left: 10vw;
    animation-delay: 8s;
}
.circle li{
    bottom: 0;
    left: 15vw;
    animation: circle 10s linear infinite;
}
.circle li:nth-child(2){
  left: 35vw;
  animation-delay: 2s;
}
.circle li:nth-child(3){
    left: 55vw;
    animation-delay: 4s;
  }.circle li:nth-child(4){
    left: 75vw;
    animation-delay: 6s;
  }.circle li:nth-child(5){
  left: 90vw;
  animation-delay: 8s;
}
@keyframes square {
    0%{
        transform: scale(0) rotateY(0deg);
        opacity: 1;
    }
    100%{
        transform: scale(5) rotateY(1000deg);
        opacity: 0;
    }
}

@keyframes circle {
    0%{
        transform: scale(0) rotateY(0deg);
        opacity: 1;
        bottom: 0;
        border-radius: 0;
    }
    100%{
        transform: scale(5) rotateY(1000deg);
        opacity: 0;
        bottom: 90vh;
        border-radius: 50%;
    }
}